

class UserData {
  String? userName;

  UserData({this.userName});

  Map<String, dynamic> toJson() {
    return {
      "userName": userName,
    };
  }

  factory UserData.fromJson(Map<String, dynamic> json) {
    return UserData(
      userName: json["userName"],
    );
  }

}


class UserManager {
  static UserManager _instance = UserManager();
  static get instance => _instance;

  UserData? userData;

}